20312590

素因数分解:

$2^1\times 5^1\times {\mathrm{83}}^1\times {\mathrm{24473}}^1$

素因数の和:24563

約数の個数: 16

約数和(自身を含む): 37004688

約数和(自身を除く): 16692098

約数列:

[1, 2, 5, 10, 83, 166, 415, 830, 24473, 48946, 122365, 244730, 2031259, 4062518, 10156295, 20312590]

約数ペア:

[(1, 20312590), (2, 10156295), (5, 4062518), (10, 2031259), (83, 244730), (166, 122365), (415, 48946), (830, 24473)]